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What is an Asthma Attack?

In this 3D animation we can see and hear what goes on in the lungs when a child has an asthma attack. The child we see is breathing faster than normal. The breathing is more labored. Breathing out is particularly difficult. It sounds strained and forced and there is wheezing. It is also drawn out.

Wed, 22 Aug 2012|

This girl has difficulty breathing caused by asthma. She breathes more quickly than normal. Breathing out or expiration is especially hard for this child to do. Look at the retractions of the skin under the ribs, under the neck. Listen to the wheezing. This is typical for asthma. The girl has a dry cough, which is caused by inflammation and irritation of the inside linings of the airways. Here you can see the lungs. The lungs are made up of bronchi and alveoli. Here is a cross-section at the end of bronchus. In asthma, the narrowing of the airway is caused by tightening of the outer muscle layer, swelling of the inside lining and lots of extra mucus. This causes the child to have shortness of breath and difficulty breathing. Breathing out or expiration is especially hard for this child to do. It is prolonged and requires more effort than usual. Listen to the wheezing during expiration. This is typical for asthma.